Measured body size and serum estrogen metabolism in postmenopausal women: the Ghana Breast Health Study

Breast Cancer Research

Table 1 Distribution of demographic and measured anthropometric factors in Ghana Breast Health Study Postmenopausal Controls (n = 585)

	Mean	Standard Deviation
Age at blood draw	56.8	8.1
Age at menopause	48.3	5.1

	N	Percent
Time since menopause
≤ 2	104	17.8
3–5	105	18.0
6–10	130	22.2
> 10	153	26.2
Missing	93	15.9
Year of blood draw
2013	229	39.2
2014	193	33.0
2015	163	27.9
Smoking status
Current	0	0.0
Former	4	0.7
Never	556	95.0
Unknown	5	0.9
Missing	20	3.4
Diabetes
Ever	49	8.4
Never	514	87.9
Unknown	22	3.8
Age at menarche
< 14	112	19.2
15	171	29.2
16	107	18.3
≥ 17	109	18.6
Unknown	86	14.7
Parity/Number of births
Nulliparous	16	2.7
1–2	91	15.6
3–4	200	34.2
5 +	277	47.4
Unknown	1	0.2
Oral contraceptive use
Ever	89	15.2
Never	496	84.8
Unknown	0	0.0
Age at menopause
< 45	95	16.2
45–54	349	59.7
≥ 55	48	8.2
Unknown	93	15.9
BMI (kg/m²)
Underweight (< 18.5)	20	3.4
Healthy weight (18.5–24.9)	193	33.0
Overweight (25.0–29.9)	169	28.9
Obese (30 +)	154	26.3
Unknown/Missing	49	8.4
Current body size from pictogram
Slight (Fig. 1, 1 or 2)	64	10.9
Average (3 or 4)	189	32.3
Slightly heavy (5 or 6)	175	29.9
Heavy (7, 8, or 9)	87	14.9
Unknown	70	12.0
Waist-to-hip ratio
< 0.86	180	30.77
0.86–0.93	176	30.09
> 0.93	182	31.11
Missing	47	8.03
Height (cm)
< 155	168	28.7
155–159.9	170	29.1
160 +	233	39.8
Missing	14	2.4

ISSN: 1465-542X